/*
* Atheros AR71xx SoC platform devices
*
- * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* Parts of this file are based on Atheros' 2.6.15 BSP
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
-#include <linux/dma-mapping.h>
#include <linux/etherdevice.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
-#include <linux/ath9k_platform.h>
#include <asm/mach-ar71xx/ar71xx.h>
-#include <asm/mach-ar71xx/platform.h>
-static u8 ar71xx_mac_base[ETH_ALEN] __initdata;
-
-/*
- * OHCI (USB full speed host controller)
- */
-static struct resource ar71xx_ohci_resources[] = {
- [0] = {
- .start = AR71XX_OHCI_BASE,
- .end = AR71XX_OHCI_BASE + AR71XX_OHCI_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AR71XX_MISC_IRQ_OHCI,
- .end = AR71XX_MISC_IRQ_OHCI,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static u64 ar71xx_ohci_dmamask = DMA_BIT_MASK(32);
-static struct platform_device ar71xx_ohci_device = {
- .name = "ar71xx-ohci",
- .id = -1,
- .resource = ar71xx_ohci_resources,
- .num_resources = ARRAY_SIZE(ar71xx_ohci_resources),
- .dev = {
- .dma_mask = &ar71xx_ohci_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
-};
-
-/*
- * EHCI (USB full speed host controller)
- */
-static struct resource ar71xx_ehci_resources[] = {
- [0] = {
- .start = AR71XX_EHCI_BASE,
- .end = AR71XX_EHCI_BASE + AR71XX_EHCI_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AR71XX_CPU_IRQ_USB,
- .end = AR71XX_CPU_IRQ_USB,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-
-static u64 ar71xx_ehci_dmamask = DMA_BIT_MASK(32);
-static struct ar71xx_ehci_platform_data ar71xx_ehci_data;
-
-static struct platform_device ar71xx_ehci_device = {
- .name = "ar71xx-ehci",
- .id = -1,
- .resource = ar71xx_ehci_resources,
- .num_resources = ARRAY_SIZE(ar71xx_ehci_resources),
- .dev = {
- .dma_mask = &ar71xx_ehci_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = &ar71xx_ehci_data,
- },
-};
-
-#define AR71XX_USB_RESET_MASK \
- (RESET_MODULE_USB_HOST | RESET_MODULE_USB_PHY \
- | RESET_MODULE_USB_OHCI_DLL)
-
-static void ar71xx_usb_setup(void)
-{
- ar71xx_device_stop(AR71XX_USB_RESET_MASK);
- mdelay(1000);
- ar71xx_device_start(AR71XX_USB_RESET_MASK);
-
- /* Turning on the Buff and Desc swap bits */
- ar71xx_usb_ctrl_wr(USB_CTRL_REG_CONFIG, 0xf0000);
-
- /* WAR for HW bug. Here it adjusts the duration between two SOFS */
- ar71xx_usb_ctrl_wr(USB_CTRL_REG_FLADJ, 0x20c00);
-
- mdelay(900);
-}
-
-static void ar91xx_usb_setup(void)
-{
- ar71xx_device_stop(RESET_MODULE_USBSUS_OVERRIDE);
- mdelay(10);
-
- ar71xx_device_start(RESET_MODULE_USB_HOST);
- mdelay(10);
-
- ar71xx_device_start(RESET_MODULE_USB_PHY);
- mdelay(10);
-}
-
-void __init ar71xx_add_device_usb(void)
-{
- switch (ar71xx_soc) {
- case AR71XX_SOC_AR7130:
- case AR71XX_SOC_AR7141:
- case AR71XX_SOC_AR7161:
- ar71xx_usb_setup();
- platform_device_register(&ar71xx_ohci_device);
- platform_device_register(&ar71xx_ehci_device);
- break;
-
- case AR71XX_SOC_AR9130:
- case AR71XX_SOC_AR9132:
- ar91xx_usb_setup();
- ar71xx_ehci_data.is_ar91xx = 1;
- platform_device_register(&ar71xx_ehci_device);
- break;
+#include "devices.h"
- default:
- BUG();
- }
-}
+static u8 ar71xx_mac_base[ETH_ALEN] __initdata;
-#ifndef CONFIG_AR71XX_EARLY_SERIAL
static struct resource ar71xx_uart_resources[] = {
{
.start = AR71XX_UART_BASE,
ar71xx_uart_data[0].uartclk = ar71xx_ahb_freq;
platform_device_register(&ar71xx_uart_device);
}
-#endif /* CONFIG_AR71XX_EARLY_SERIAL */
static struct resource ar71xx_mdio_resources[] = {
{
.name = "mdio_base",
.flags = IORESOURCE_MEM,
- .start = AR71XX_GE0_BASE + 0x20,
- .end = AR71XX_GE0_BASE + 0x38 - 1,
+ .start = AR71XX_GE0_BASE,
+ .end = AR71XX_GE0_BASE + 0x200 - 1,
}
};
-static struct ag71xx_mdio_platform_data ar71xx_mdio_data = {
- .phy_mask = 0xffffffff,
-};
+static struct ag71xx_mdio_platform_data ar71xx_mdio_data;
-static struct platform_device ar71xx_mdio_device = {
+struct platform_device ar71xx_mdio_device = {
.name = "ag71xx-mdio",
.id = -1,
.resource = ar71xx_mdio_resources,
void __init ar71xx_add_device_mdio(u32 phy_mask)
{
+ if (ar71xx_soc == AR71XX_SOC_AR7240)
+ ar71xx_mdio_data.is_ar7240 = 1;
+
ar71xx_mdio_data.phy_mask = phy_mask;
+
platform_device_register(&ar71xx_mdio_device);
}
iounmap(base);
}
-static void ar71xx_set_pll_ge0(u32 val)
+struct ar71xx_eth_pll_data ar71xx_eth0_pll_data;
+struct ar71xx_eth_pll_data ar71xx_eth1_pll_data;
+
+static u32 ar71xx_get_eth_pll(unsigned int mac, int speed)
+{
+ struct ar71xx_eth_pll_data *pll_data;
+ u32 pll_val;
+
+ switch (mac) {
+ case 0:
+ pll_data = &ar71xx_eth0_pll_data;
+ break;
+ case 1:
+ pll_data = &ar71xx_eth1_pll_data;
+ break;
+ default:
+ BUG();
+ }
+
+ switch (speed) {
+ case SPEED_10:
+ pll_val = pll_data->pll_10;
+ break;
+ case SPEED_100:
+ pll_val = pll_data->pll_100;
+ break;
+ case SPEED_1000:
+ pll_val = pll_data->pll_1000;
+ break;
+ default:
+ BUG();
+ }
+
+ return pll_val;
+}
+
+static void ar71xx_set_pll_ge0(int speed)
{
+ u32 val = ar71xx_get_eth_pll(0, speed);
+
ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH0_INT_CLOCK,
val, AR71XX_ETH0_PLL_SHIFT);
}
-static void ar71xx_set_pll_ge1(u32 val)
+static void ar71xx_set_pll_ge1(int speed)
{
+ u32 val = ar71xx_get_eth_pll(1, speed);
+
ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH1_INT_CLOCK,
val, AR71XX_ETH1_PLL_SHIFT);
}
-static void ar91xx_set_pll_ge0(u32 val)
+static void ar724x_set_pll_ge0(int speed)
+{
+ /* TODO */
+}
+
+static void ar724x_set_pll_ge1(int speed)
+{
+ /* TODO */
+}
+
+static void ar91xx_set_pll_ge0(int speed)
{
+ u32 val = ar71xx_get_eth_pll(0, speed);
+
ar71xx_set_pll(AR91XX_PLL_REG_ETH_CONFIG, AR91XX_PLL_REG_ETH0_INT_CLOCK,
val, AR91XX_ETH0_PLL_SHIFT);
}
-static void ar91xx_set_pll_ge1(u32 val)
+static void ar91xx_set_pll_ge1(int speed)
{
+ u32 val = ar71xx_get_eth_pll(1, speed);
+
ar71xx_set_pll(AR91XX_PLL_REG_ETH_CONFIG, AR91XX_PLL_REG_ETH1_INT_CLOCK,
val, AR91XX_ETH1_PLL_SHIFT);
}
ar71xx_ddr_flush(AR71XX_DDR_REG_FLUSH_GE1);
}
+static void ar724x_ddr_flush_ge0(void)
+{
+ ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_GE0);
+}
+
+static void ar724x_ddr_flush_ge1(void)
+{
+ ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_GE1);
+}
+
static void ar91xx_ddr_flush_ge0(void)
{
ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_GE0);
.name = "mac_base",
.flags = IORESOURCE_MEM,
.start = AR71XX_GE0_BASE,
- .end = AR71XX_GE0_BASE + 0x20 - 1,
- }, {
- .name = "mac_base2",
- .flags = IORESOURCE_MEM,
- .start = AR71XX_GE0_BASE + 0x38,
.end = AR71XX_GE0_BASE + 0x200 - 1,
}, {
.name = "mii_ctrl",
.reset_bit = RESET_MODULE_GE0_MAC,
};
-static struct platform_device ar71xx_eth0_device = {
+struct platform_device ar71xx_eth0_device = {
.name = "ag71xx",
.id = 0,
.resource = ar71xx_eth0_resources,
.name = "mac_base",
.flags = IORESOURCE_MEM,
.start = AR71XX_GE1_BASE,
- .end = AR71XX_GE1_BASE + 0x20 - 1,
- }, {
- .name = "mac_base2",
- .flags = IORESOURCE_MEM,
- .start = AR71XX_GE1_BASE + 0x38,
.end = AR71XX_GE1_BASE + 0x200 - 1,
}, {
.name = "mii_ctrl",
.reset_bit = RESET_MODULE_GE1_MAC,
};
-static struct platform_device ar71xx_eth1_device = {
+struct platform_device ar71xx_eth1_device = {
.name = "ag71xx",
.id = 1,
.resource = ar71xx_eth1_resources,
},
};
+#define AR71XX_PLL_VAL_1000 0x00110000
+#define AR71XX_PLL_VAL_100 0x00001099
+#define AR71XX_PLL_VAL_10 0x00991099
+
+#define AR724X_PLL_VAL_1000 0x00110000
+#define AR724X_PLL_VAL_100 0x00001099
+#define AR724X_PLL_VAL_10 0x00991099
+
+#define AR91XX_PLL_VAL_1000 0x1a000000
+#define AR91XX_PLL_VAL_100 0x13000a44
+#define AR91XX_PLL_VAL_10 0x00441099
+
+static void __init ar71xx_init_eth_pll_data(unsigned int id)
+{
+ struct ar71xx_eth_pll_data *pll_data;
+ u32 pll_10, pll_100, pll_1000;
+
+ switch (id) {
+ case 0:
+ pll_data = &ar71xx_eth0_pll_data;
+ break;
+ case 1:
+ pll_data = &ar71xx_eth1_pll_data;
+ break;
+ default:
+ BUG();
+ }
+
+ switch (ar71xx_soc) {
+ case AR71XX_SOC_AR7130:
+ case AR71XX_SOC_AR7141:
+ case AR71XX_SOC_AR7161:
+ pll_10 = AR71XX_PLL_VAL_10;
+ pll_100 = AR71XX_PLL_VAL_100;
+ pll_1000 = AR71XX_PLL_VAL_1000;
+ break;
+
+ case AR71XX_SOC_AR7240:
+ pll_10 = AR724X_PLL_VAL_10;
+ pll_100 = AR724X_PLL_VAL_100;
+ pll_1000 = AR724X_PLL_VAL_1000;
+ break;
+
+ case AR71XX_SOC_AR9130:
+ case AR71XX_SOC_AR9132:
+ pll_10 = AR91XX_PLL_VAL_10;
+ pll_100 = AR91XX_PLL_VAL_100;
+ pll_1000 = AR91XX_PLL_VAL_1000;
+ break;
+ default:
+ BUG();
+ }
+
+ if (!pll_data->pll_10)
+ pll_data->pll_10 = pll_10;
+
+ if (!pll_data->pll_100)
+ pll_data->pll_100 = pll_100;
+
+ if (!pll_data->pll_1000)
+ pll_data->pll_1000 = pll_1000;
+}
+
static int ar71xx_eth_instance __initdata;
void __init ar71xx_add_device_eth(unsigned int id)
{
struct platform_device *pdev;
struct ag71xx_platform_data *pdata;
+ ar71xx_init_eth_pll_data(id);
+
switch (id) {
case 0:
switch (ar71xx_eth0_data.phy_if_mode) {
pdata->has_gbit = 1;
break;
+ case AR71XX_SOC_AR7240:
+ pdata->ddr_flush = id ? ar724x_ddr_flush_ge1
+ : ar724x_ddr_flush_ge0;
+ pdata->set_pll = id ? ar724x_set_pll_ge1
+ : ar724x_set_pll_ge0;
+ pdata->is_ar724x = 1;
+ break;
+
case AR71XX_SOC_AR9130:
pdata->ddr_flush = id ? ar91xx_ddr_flush_ge1
: ar91xx_ddr_flush_ge0;
ar71xx_eth_instance);
}
+ if (pdata->mii_bus_dev == NULL)
+ pdata->mii_bus_dev = &ar71xx_mdio_device.dev;
+
+ /* Reset the device */
+ ar71xx_device_stop(pdata->reset_bit);
+ mdelay(100);
+
+ ar71xx_device_start(pdata->reset_bit);
+ mdelay(100);
+
platform_device_register(pdev);
ar71xx_eth_instance++;
}
platform_device_register(&ar71xx_spi_device);
}
-void __init ar71xx_add_device_leds_gpio(int id, unsigned num_leds,
- struct gpio_led *leds)
-{
- struct platform_device *pdev;
- struct gpio_led_platform_data pdata;
- struct gpio_led *p;
- int err;
-
- p = kmalloc(num_leds * sizeof(*p), GFP_KERNEL);
- if (!p)
- return;
-
- memcpy(p, leds, num_leds * sizeof(*p));
-
- pdev = platform_device_alloc("leds-gpio", id);
- if (!pdev)
- goto err_free_leds;
-
- memset(&pdata, 0, sizeof(pdata));
- pdata.num_leds = num_leds;
- pdata.leds = p;
-
- err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
- if (err)
- goto err_put_pdev;
-
- err = platform_device_add(pdev);
- if (err)
- goto err_put_pdev;
-
- return;
-
-err_put_pdev:
- platform_device_put(pdev);
-
-err_free_leds:
- kfree(p);
-}
-
-void __init ar71xx_add_device_gpio_buttons(int id,
- unsigned poll_interval,
- unsigned nbuttons,
- struct gpio_button *buttons)
-{
- struct platform_device *pdev;
- struct gpio_buttons_platform_data pdata;
- struct gpio_button *p;
- int err;
-
- p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL);
- if (!p)
- return;
-
- memcpy(p, buttons, nbuttons * sizeof(*p));
-
- pdev = platform_device_alloc("gpio-buttons", id);
- if (!pdev)
- goto err_free_buttons;
-
- memset(&pdata, 0, sizeof(pdata));
- pdata.poll_interval = poll_interval;
- pdata.nbuttons = nbuttons;
- pdata.buttons = p;
-
- err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
- if (err)
- goto err_put_pdev;
-
-
- err = platform_device_add(pdev);
- if (err)
- goto err_put_pdev;
-
- return;
-
-err_put_pdev:
- platform_device_put(pdev);
-
-err_free_buttons:
- kfree(p);
-}
-
void __init ar71xx_add_device_wdt(void)
{
platform_device_register_simple("ar71xx-wdt", -1, NULL, 0);
printk(KERN_DEBUG "ar71xx: failed to parse mac address "
"\"%s\"\n", mac_str);
}
-
-static struct resource ar91xx_wmac_resources[] = {
- {
- .start = AR91XX_WMAC_BASE,
- .end = AR91XX_WMAC_BASE + AR91XX_WMAC_SIZE - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .start = AR71XX_CPU_IRQ_WMAC,
- .end = AR71XX_CPU_IRQ_WMAC,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct ath9k_platform_data ar91xx_wmac_data;
-
-static struct platform_device ar91xx_wmac_device = {
- .name = "ath9k",
- .id = -1,
- .resource = ar91xx_wmac_resources,
- .num_resources = ARRAY_SIZE(ar91xx_wmac_resources),
- .dev = {
- .platform_data = &ar91xx_wmac_data,
- },
-};
-
-void __init ar91xx_add_device_wmac(void)
-{
- u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
-
- memcpy(ar91xx_wmac_data.eeprom_data, ee,
- sizeof(ar91xx_wmac_data.eeprom_data));
-
- ar71xx_device_stop(RESET_MODULE_AMBA2WMAC);
- mdelay(10);
-
- ar71xx_device_start(RESET_MODULE_AMBA2WMAC);
- mdelay(10);
-
- platform_device_register(&ar91xx_wmac_device);
-}